Microscopic construction of the two-fluid model for superfluid helium-4

• Дата: 2009
• Автори: Shygorin, P., Svidzynskyj, A.
• Формат: Стаття
• Мова: English
• Опубліковано: Інститут фізики конденсованих систем НАН України 2009
• Назва видання: Condensed Matter Physics
• Онлайн доступ: http://dspace.nbuv.gov.ua/handle/123456789/120338
• Назва журналу: Digital Library of Periodicals of National Academy of Sciences of Ukraine
• Цитувати: Microscopic construction of the two-fluid model for superfluid helium-4 / P. Shygorin, A. Svidzynskyj // Condensed Matter Physics. — 2009. — Т. 12, № 4. — С. 657-663. — Бібліогр.: 5 назв. — англ.

Using a system of Heisenberg's equation of motion for both the normal and the anomalous correlation functions a two-fluid hydrodynamics for superfluid helium-4 was constructed. The method is based on a gradient expansion of the exact equations of motion for correlation functions about a local...